10122020000129 has 2 divisors, whose sum is σ = 10122020000130. Its totient is φ = 10122020000128.

The previous prime is 10122020000087. The next prime is 10122020000171. The reversal of 10122020000129 is 92100002022101.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (10122020000087) and next prime (10122020000171).

It can be written as a sum of positive squares in only one way, i.e., 8787382779904 + 1334637220225 = 2964352^2 + 1155265^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10122020000129 is a prime.

It is a super-2 number, since 2×10122020000129² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10122020000129.

It is not a weakly prime, because it can be changed into another prime (10122020090129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5061010000064 + 5061010000065.

It is an arithmetic number, because the mean of its divisors is an integer number (5061010000065).

Almost surely, 2^{10122020000129} is an apocalyptic number.

It is an amenable number.

10122020000129 is a deficient number, since it is larger than the sum of its proper divisors (1).

10122020000129 is an equidigital number, since it uses as much as digits as its factorization.

10122020000129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 10122020000129 in words is "ten trillion, one hundred twenty-two billion, twenty million, one hundred twenty-nine", and thus it is an aban number.